51) Which one of the following statements is not correct
Answer is:
the sine of the angle of repose is equal to coefficient to friction
Related Engineering Mechanics MCQ with Answers
Answer is:
upwards at its upper end
Answer is:
zero at its upper end
Answer is:
dynamic friction.
Explanation:
Static Friction The friction experienced by a body, when it is at rest is known as static friction.
Dynamic Friction The friction experienced by a body, when it is in motion is called dynamic friction. Dynamic friction is also called as kinetic friction.
Answer is:
ratio of limiting friction and normal reaction
Explanation:
The coefficient of friction is defined as the ratio of the limiting friction (F) to the normal reaction (RN) between the two bodies.